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| Table 1a. Mode to Work by Gender 1 | Census 2000 | 2007-2009 ACS | 2010-2012 ACS | Is the numeric change between Census 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Male | At Place of Residence | |||||||||
| Total Workers | 177,275 | 100.0 | 1,825 | 193,984 | 100.0 | 2,049 | 180,593 | 100.0 | 2,274 | Yes |
| Drove alone | 141,860 | 80.0 | 1,698 | 153,913 | 79.3 | 2,519 | 141,892 | 78.6 | 2,604 | No |
| 2-person Carpool | 15,645 | 8.8 | 636 | 14,735 | 7.6 | 1,227 | 12,374 | 6.9 | 1,387 | Yes |
| 3-or-more-person Carpool | 6,695 | 3.8 | 419 | 5,838 | 3.0 | 1,008 | 6,097 | 3.4 | 1,096 | No |
| Transit | 1,830 | 1.0 | 220 | 2,839 | 1.5 | 589 | 2,519 | 1.4 | 519 | Yes |
| Bike | 175 | 0.1 | 68 | 306 | 0.2 | 148 | 562 | 0.3 | 297 | Yes |
| Walked | 2,000 | 1.1 | 230 | 2,424 | 1.2 | 777 | 2,610 | 1.4 | 708 | No |
| Taxi, Motorcycle and Other means | 2,265 | 1.3 | 245 | 2,613 | 1.3 | 603 | 2,430 | 1.3 | 707 | No |
| Worked at Home | 6,800 | 3.8 | 422 | 11,316 | 5.8 | 1,008 | 12,109 | 6.7 | 981 | Yes |
| Table 1b. Mode to Work by Gender 1 | Census 2000 | 2007-2009 ACS | 2010-2012 ACS | Is the numeric change between Census 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Female | At Place of Residence | |||||||||
| Total Workers | 148,135 | 100.0 | 1,724 | 162,424 | 100.0 | 2,329 | 161,950 | 100.0 | 2,500 | Yes |
| Drove alone | 120,915 | 81.6 | 1,603 | 133,579 | 82.2 | 2,482 | 130,931 | 80.8 | 2,437 | Yes |
| 2-person Carpool | 13,445 | 9.1 | 590 | 10,761 | 6.6 | 1,062 | 11,561 | 7.1 | 1,180 | Yes |
| 3-or-more-person Carpool | 3,300 | 2.2 | 295 | 3,790 | 2.3 | 718 | 2,871 | 1.8 | 545 | No |
| Transit | 1,574 | 1.1 | 204 | 2,481 | 1.5 | 507 | 2,659 | 1.6 | 581 | Yes |
| Bike | 25 | 0.0 | 26 | 52 | 0.0 | 62 | 136 | 0.1 | 221 | No |
| Walked | 1,315 | 0.9 | 187 | 1,327 | 0.8 | 343 | 1,218 | 0.8 | 349 | No |
| Taxi, Motorcycle and Other means | 1,125 | 0.8 | 173 | 1,209 | 0.7 | 313 | 1,051 | 0.6 | 364 | No |
| Worked at Home | 6,435 | 4.3 | 411 | 9,225 | 5.7 | 811 | 11,523 | 7.1 | 1,055 | Yes |
Notes:
* The coefficient of variation (CV) can be derived by the standard error (SE) divided by the estimate, while SE = MOE/1.645.
** The z-value of the difference of the two estimates are used to determined if the two estimates are significantly different at 90% confidence level.
1 Census 2000 Table 1-002, 2007-2009 ACS Table B08006 and 2010-2012 ACS B08006
